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Q: Why the level of mercury falls as the altitude increase?
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When climbing a mountain with a barometer will the mercury level decrease or increase?

decrease


What is different between transition altitude and transitionlevel?

The diference is simple, the transition altitude is the altitude above sea level at wich the aircraft change from the use of altitude to the use of flight level. When operating above the transition altitude, the aircraft altimeters pressure seting is normally adjusted to the standard pressure setting wich is 1013 millibars in europe, or 29.92 inches of mercury in US, or Canada. There the aircraft altitude will be expressed as a flight level.


What are the three unit of pressure equal to atmospheric sea level?

A not-commonly-used measurement is 'atmosphere'. One atmosphere is the average pressure at sea-level: 101.325 kPa, 1013.25 mbar, 29.921 inches of mercury (inHg) or 760 millimeters of mercury (mmHg).


How does Mercury within a thermometer change?

The temperature in a Mercury-based thermometer is read by the level of Mercury found in the thermometer. As Mercury heats up, it expands, therefore raising the level of the Mercury of which we see as a higher temperature. On the other end, as the temperature falls, the Mercury contracts and reads at a lower temperature.


Barometric pressure ground level?

Atmospheric pressure varies with altitude and air density. Average sea-level pressure is 101.325 kPa (1013.25 mbar) or 29.921 inches of mercury (inHg) or 760 millimeters of mercury (mmHg).


What is a mercury barometer used for?

Mercury barometer is used for measuring atmospheric pressure. Because atmospheric pressure changes with distance above or below sea level, a barometer can also be used to measure altitude.


What is the difference between a negative the altitude and a positive altitude?

Altitude describes an object's position relative to sea level. An object in a position higher than sea level would have a positive altitude, sea level would have an altitude of zero, and any object below sea level would have a negative altitude.


As you walk down a mountainside atmospheric pressure will what?

It will increase. Atmospheric pressure decreases with altitude and increases as you move toward sea level. At sea level, atmospheric pressure = 1.0


When a person who lives in a city at sea level vacations in the Rocky Mountains you would expect to observe an increase in?

their red blood cell count...high altitude=low o2 level


What do you call the height above sea level point on the earths surface?

It is called altitude. It is typically expressed as ASL (above mean sea level, or MSL). However, it can also be specified as AGL (Above the local Ground Level).


Can the acid level of acid rain increase?

Yes, the level of acid rain can increase. As acid rain falls on objects that have already been hit with acid rain, the acid builds up and becomes stronger.


What is lake tahoe's altitude?

The altitude varies based upon the water level in the lake. The highest level was 6,229 feet and the average altitude is about 6,224 feet.